Top Tech Jobs & Startup Jobs in Los Angeles, CA

Designs, integrates, verifies, tests, commissions, and troubleshoots Communication-Based Train Control railway signaling systems. Develops requirements, architectures, interfaces, integration plans, and technical documentation; manages data and database programming; supports CBTC hardware and software modifications; integrates wayside, vehicle, and signaling subsystems; provides customer presentations, technical guidance, and issue resolution. The role is hybrid in New York City with on-site commissioning responsibilities.

Provides high-level support to multiple senior executives by managing complex calendars, domestic and international travel, meeting preparation, communications, expenses, and follow-through. Serves as a trusted, discreet strategic partner, coordinating priorities across global stakeholders and supporting business initiatives, board-level interactions, and transformation projects. Requires strong judgment, executive presence, organization, confidentiality, and independent decision-making in a fast-paced, remote environment.

Serves as a strategic and hands-on HR partner to Operations, Development, and Global Program leaders. Leads workforce planning, organizational design, talent reviews, succession planning, employee relations, leadership development, engagement, compensation, performance management, and organizational effectiveness. Advises leaders on talent and workforce risks, supports compliance with employment laws, SOX, and FDA requirements, and helps align HR programs with business growth and biotech industry practices.

Build and maintain responsive web, PWA, and mobile app experiences; design secure APIs and third-party integrations; develop conversational AI and voice bots; implement targeted messaging, ad-tech, analytics, and A/B testing; and optimize performance, reliability, and uptime. The role requires full-stack development, marketing technology integration, cloud and DevOps fundamentals, and collaboration in a fast-paced startup environment.

Long-term fractional Talent Partner responsible for approximately 20 annual hires across sales, operations, finance, and fractional CFO support. The role includes proactive pipeline development, scalable recruiting process design, and year-round talent acquisition for food, beverage, CPG, and alcohol businesses. The recruiter must be U.S.-based, detail-oriented, and experienced in building predictable hiring systems.

Leads the Loans and Distributions team, overseeing retirement plan loan and distribution processing, workload allocation, quality, compliance, escalations, recordkeeper relationships, and service-level performance. Reviews complex transactions, develops procedures and controls, supports process improvements, monitors regulatory changes, and coaches team members. The role also provides hands-on transaction and client support during high-volume periods while collaborating with internal stakeholders and supporting fiduciary responsibilities.

Own web growth product strategy for LastPass.com by increasing organic acquisition, improving conversion, running experiments, enhancing site performance, and using analytics to measure business impact. Partner with engineering, web analytics, product marketing, and eCommerce teams to prioritize website improvements, ensure accurate tracking, and communicate growth results to stakeholders.

Supports institutional fundraising during a leave by researching and qualifying foundation, corporate philanthropy, and strategic partnership prospects. Responsibilities include building prioritized prospect portfolios, identifying contacts and funding opportunities, assessing programmatic alignment, assisting with limited grant proposals, updating databases, preparing internal briefings, and supporting development projects. The role works independently behind the scenes and does not manage external funder relationships or independently submit proposals.

Owns production reliability for a B2B SaaS platform, including SLOs, error budgets, observability, alerting, incident response, recovery exercises, performance and capacity engineering, load testing, disaster recovery, and production readiness. The role writes automation and production code, leads incidents, coaches engineering teams, and improves reliability across Kubernetes, Azure, databases, messaging, and service infrastructure.

Build and maintain full-stack features for Suwali, translating broad goals into practical plans and delivering work from exploration through deployment and follow-up. Collaborate with technical and non-technical colleagues, assess user feedback and data, communicate progress clearly, and contribute to product decisions. The role requires production engineering across frontend and backend systems, with potential future responsibility for managing and mentoring engineers.